Please note ; the naming of resources is particular and you’ll get no errors if you do it wrong (nice he!); you cannot use dashes(-) etc; you’ll notice you did it right when you see Resource.designer.cs change; it’ll have the reference to your file in it.

Use resources by referencing them in the project code; if you have a project MyCompany.MyProject, you can reference it by; MyCompany.MyProject.Resource.Drawable.MyImage and use something like ImageView.SetImageResource( MyCompany.MyProject.Resource.Drawable.MyImage );